create GE_DeathEffect

Source/Crunch/Private/Character/CCharacter.cpp

@@ -6,6 +6,7 @@
 #include "Components/WidgetComponent.h"
 #include "GAS/CAbilitySystemComponent.h"
 #include "GAS/CAttributeSet.h"
+#include "GAS/UCAbilitySystemStatics.h"
 #include "Kismet/GameplayStatics.h"
 #include "Widgets/OverHeadStatsGauge.h"
 
@@ -29,6 +30,8 @@ ACCharacter::ACCharacter()
 	**/
 	OverHeadWidgetComponent = CreateDefaultSubobject<UWidgetComponent>("OverHead Widget Component");
 	OverHeadWidgetComponent->SetupAttachment(GetRootComponent());
+
+	BindGASChangeDelegate();
 }
 
 void ACCharacter::ServerSideInit()
@@ -67,6 +70,27 @@ UAbilitySystemComponent* ACCharacter::GetAbilitySystemComponent() const
 	return CAbilitySystemComponent;
 }
 
+void ACCharacter::DeadTagUpdated(FGameplayTag GameplayTag, int32 NewCount)
+{
+	if (NewCount != 0)
+	{
+		StartDeathSequence();
+	}
+	else
+	{
+		ReSpawn();
+	}
+}
+
+void ACCharacter::BindGASChangeDelegate()
+{
+	if (CAbilitySystemComponent)
+	{
+		CAbilitySystemComponent->RegisterGameplayTagEvent(UCAbilitySystemStatics::GetDeadStatTag())
+		                       .AddUObject(this, &ThisClass::DeadTagUpdated);
+	}
+}
+
 void ACCharacter::ConfigureOverHeadStatusWidget()
 {
 	if (!OverHeadWidgetComponent) return;
@@ -100,3 +124,13 @@ void ACCharacter::UpdateHeadStatGaugeVisibility()
 		OverHeadWidgetComponent->SetHiddenInGame(DistSquared > HeadStatGaugeVisibilityRangeSquared);
 	}
 }
+
+void ACCharacter::StartDeathSequence()
+{
+	UE_LOG(LogTemp, Warning, TEXT("----------------------------DEAD"));
+}
+
+void ACCharacter::ReSpawn()
+{
+	UE_LOG(LogTemp, Warning, TEXT("----------------------------Respawn"));
+}

Source/Crunch/Private/GAS/CAbilitySystemComponent.cpp

@@ -3,6 +3,15 @@
 
 #include "GAS/CAbilitySystemComponent.h"
 
+#include "GAS/CAttributeSet.h"
+
+
+
+UCAbilitySystemComponent::UCAbilitySystemComponent()
+{
+	GetGameplayAttributeValueChangeDelegate(UCAttributeSet::GetHealthAttribute())
+		.AddUObject(this, &UCAbilitySystemComponent::HealthUpdated);
+}
 
 void UCAbilitySystemComponent::ApplyInitialEffects()
 {
@@ -43,3 +52,13 @@ void UCAbilitySystemComponent::GiveInitialAbilities()
 		));
 	}
 }
+
+void UCAbilitySystemComponent::HealthUpdated(const FOnAttributeChangeData& ChangeData)
+{
+	if (!GetOwner() && !GetOwner()->HasAuthority()) return;
+	if (ChangeData.NewValue <= 0 &&  DeathEffectClass)
+	{
+		const auto GameplayEffectSpecHandle{ MakeOutgoingSpec(DeathEffectClass, 1, MakeEffectContext() )};
+		ApplyGameplayEffectSpecToSelf(*GameplayEffectSpecHandle.Data.Get());
+	}
+}

Source/Crunch/Private/GAS/UCAbilitySystemStatics.cpp

@@ -7,3 +7,8 @@ FGameplayTag UCAbilitySystemStatics::GetBasicAttackAbilityTag()
 {
 	return FGameplayTag::RequestGameplayTag("ability.basicattack");
 }
+
+FGameplayTag UCAbilitySystemStatics::GetDeadStatTag()
+{
+	return FGameplayTag::RequestGameplayTag("stats.dead");
+}

Source/Crunch/Public/Character/CCharacter.h

@@ -4,6 +4,7 @@
 
 #include "CoreMinimal.h"
 #include "AbilitySystemInterface.h"
+#include "GameplayTagContainer.h"
 #include "GameFramework/Character.h"
 #include "CCharacter.generated.h"
 
@@ -34,6 +35,8 @@ public:
 	virtual UAbilitySystemComponent* GetAbilitySystemComponent() const override;
 
 private:
+	void DeadTagUpdated(FGameplayTag GameplayTag, int32 NewCount);
+	void BindGASChangeDelegate();
 	UPROPERTY(EditDefaultsOnly, Category="Gameplay Ability")
 	TObjectPtr<UCAbilitySystemComponent> CAbilitySystemComponent;
 	UPROPERTY()
@@ -54,4 +57,10 @@ private:
 
 	FTimerHandle HeadStatGaugeVisibilityUpdateTimerHandle;
 	void UpdateHeadStatGaugeVisibility();
+	
+	/********************************************************************************************/
+	/*									 Death & Respawning										*/
+	/********************************************************************************************/
+	void StartDeathSequence();
+	void ReSpawn();
 };

Source/Crunch/Public/GAS/CAbilitySystemComponent.h

@@ -4,6 +4,7 @@
 
 #include "CoreMinimal.h"
 #include "AbilitySystemComponent.h"
+#include "GameplayEffectTypes.h"
 
 #include "CAbilitySystemComponent.generated.h"
 
@@ -15,13 +16,18 @@ class CRUNCH_API UCAbilitySystemComponent : public UAbilitySystemComponent
 	GENERATED_BODY()
 
 public:
+	UCAbilitySystemComponent();
 	void ApplyInitialEffects();
 	void GiveInitialAbilities();
+	void HealthUpdated(const FOnAttributeChangeData& ChangeData);
 
 private:
 	UPROPERTY(EditDefaultsOnly, Category="Gameplay Effects")
 	TArray<TSubclassOf<UGameplayEffect>> InitialEffects;
 
+	UPROPERTY(EditDefaultsOnly, Category="Gameplay Effects")
+	TSubclassOf<UGameplayEffect> DeathEffectClass;
+	
 	UPROPERTY(EditDefaultsOnly, Category="Gameplay Ability")
 	TMap<ECAbilityInputID, TSubclassOf<UGameplayAbility>> Abilities;
 

Source/Crunch/Public/GAS/UCAbilitySystemStatics.h

@@ -11,6 +11,7 @@ class UCAbilitySystemStatics: public UObject
 	GENERATED_BODY()
 public:
 	 static FGameplayTag GetBasicAttackAbilityTag();
+	static FGameplayTag GetDeadStatTag();
 	
 };